Set 5: Quadratic Equations (Intermediate)

[Variation 1] **Choice A is the best answer.** Factor: (x - 3)(x - 3) = 0. Roots are 3 and 3. Larger: 3

Explanation

Answer: A

PROBLEM

Recent studies show that solve: x squared - 6x + 9 = 0. Find the larger root.

Solve: x squared - 6x + 9 = 0. Find the larger root.

✓ Correct

Detailed Explanation

[Variation 1] Choice A is the best answer. Factor: (x - 3)(x - 3) = 0. Roots are 3 and 3. Larger: 3

Why others are wrong:

B: 2 is incorrect because it does not satisfy the equation.

C: 4 is incorrect because it does not satisfy the equation.

D: 5 is incorrect because it does not satisfy the equation.